view scripts/sparse/nonzeros.m @ 5164:57077d0ddc8e

[project @ 2005-02-25 19:55:24 by jwe]
author jwe
date Fri, 25 Feb 2005 19:55:28 +0000
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children 2c85044aa63f
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## Copyright (C) 2004 Paul Kienzle
##
## This program is free software and is in the public domain

## -*- texinfo -*-
## @deftypefn {Function File} {} nonzeros (@var{s})
## Returns a vector of the non-zero values of the sparse matrix @var{s}.
## @end deftypefn

function t = nonzeros(s)
  if issparse(s)
    [i,j,t] = spfind(s);
  else
    [i,j,t] = find(s);
  endif
endfunction

%!assert(nonzeros([1,2;3,0]),[1;3;2])
%!assert(nonzeros(sparse([1,2;3,0])),[1;3;2])